iModelNP6512NP6612NP7120NP7120NP7130NP7130NP7130FTypecodeTWATXAPUBPUCNVFPTZNVHDefaultratio2R2E2R2E2R2E2R2E3R1E2R2E3R1EADF asstandard√√Cassette250 sheets250 sheetsUniversalUniversal500 sheets500 sheets500 sheetsThe notation “√” indicates that the item in question is available.• This service handbook covers the models shown in the following table. Be sure to havea good understanding of the difference from model to model before referring to thishandbook.

Canon NP6512 Service Manual

I. FEATURES

II. SPECIFICATIONS

III. NAMES OF PARTS

ADF Type

B. Cross Section

IV. USING THE MACHINE

B. User mode

USER

if jams occur frequently

VI. IMAGE FORMATION

basic operation

I. BASIC OPERATIONS

B. Outline of Electrical Circuitry

C. Basic Sequence of Operations

D. Controlling the Main Motor (M1)

E. Inputs to and Outputs from the DC Controller

I. OPERATIONS

A. Outline

B. Varying the Reproduction Ratio

C. Lens Drive System

D. Scanner Drive System

a. scanner drive assembly

outline of the scanner drive cable

b. lens drive assembly

c. exposure system

removing the thermal fuse

image formation system

I. IMAGE FORMATION SYSTEM

B. Timing Chart for the Image Formation System

C. Primary Charging Roller Bias Control

D. Controlling the Transfer Roller Bias

Separation Static Eliminator Bias

Originals

G. Controlling the Pre-Exposure Lamp

H. Controlling the Side Blanking Mechanism

II. DEVELOPING ASSEMBLY CLEANING ASSEMBLY

B. Detecting the Level of Toner

C. Detecting Waste Toner

D. Primary Charging Roller Cleaning Control

III. DISASSEMBLY/ASSEMBLY

A. Drum Unit

removing the drum unit

after replacing the drum unit

B. Transfer Charging Assembly

C. Blank Exposure

D. Developing Assembly

I. PICKUP/FEEDING SYSTEM

B. Controlling the Pickup Roller

C. Controlling the Movement of Paper

D. Detecting Jams

delivery delay jam

II. DISASSEMBLY/ASSEMBLY

A. Pickup Assembly

B. Multifeeder Assembly

removing the separation pad

C. Feeding Assembly

D. Registration Roller Assembly

removing the registration roller

E. Delivery Assembly

B. Controlling the Fixing Temperature

II. POWER SUPPLY SYSTEM

B. Power Supply Circuit

C. Detecting an Error on the Com posite Power Supply PCB

A. External Covers

B. Control Panel

C. Copyboard Glass

D. Main Motor/Main Drive Assem bly

E. Electrical System

supply pcb

power supply pcb

B Basic Construction

C. Basic Operations

D. Detecting an Original

E. Pickup Operation

F. Delivery

G. Controlling the Pickup Motor

H. Controlling the Belt Motor

I. Detecting Original Jams

J. Power Supply

A. Removing the ADF

B. External Covers

C. Drive System

D. Feeding System

registration roller

I. SELECTING THE SITE

II. UNPACKING AND INSTALLATION

installing the drum unit

connecting the power cord

adjusting the machine

B. Placing Copy Paper

NP6512

NP6612

NP7120

NP7130

NP7130F

Canon NP6512 Service Manual

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